Finding the Third Proportional to 16,147 and 21,656

Step by Step Solution

1. Step 1: Write the proportion equation
   16,147 : 21,656 = 21,656 : x
2. Step 2: Convert to fraction form
   16,147/21,656 = 21,656/x
3. Step 3: Cross multiply
   16,147x = 21,656 × 21,656
4. Step 4: Simplify right side
   16,147x = 468,982,336
5. Step 5: Solve for x
   x = 468,982,336/16,147
6. Step 6: Final answer
   x = 29,044.55